Valentini Grammatikopoulou

Valentini Grammatikopoulou (Βαλεντίνη Γραμματικοπούλου; born 9 February 1997) is a Greek tennis player. On 22 August 2022, she reached her best singles ranking of world No. 143. On 15 July 2024, she peaked at No. 97 in the WTA doubles rankings. She has won a singles and a doubles title on the WTA Challenger Tour, and in addition, 15 singles and 30 doubles titles on the ITF Women's Circuit.

Playing for Greece, Grammatikopoulou has a win–loss record of 26–14 in Fed Cup competition (as of July 2024).

Professional career
She made her Grand Slam debut at the 2021 US Open as a qualifier, after attempting to qualify twelve times for a major. It marked the first time ever that three Greek players were in the US Open main draw. On her major debut, she reached the second round after defeating Anna Blinkova, 6-3, 6-2. It was her third career win at the WTA Tour-level.

She qualified for her second Grand Slam tournament at the 2022 French Open, marking her debut at this major.

In August 2022, she won her to date biggest title at the WTA 125 Vancouver Open, defeating Lucia Bronzetti in the final.

Performance timelines
Only main-draw results in WTA Tour, Grand Slam tournaments, Fed Cup/Billie Jean King Cup and Olympic Games are included in win–loss records.

Singles
Current through the 2023 French Open qualifying.